Apples and pears
idiom Slang
Cockney rhyming slang · East London
stairs
To the Cockney, the phrase "steps and stairs" describes the idea of gradation. Every good costermonger has skill in displaying the front of his stall. The selected samples of fruit and vegetables are expertly graded in "steps and stairs". Apples and pears, when in season, are common on each barrow and, when polished, create an arresting display.